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$118+ Cheap flights from San Diego

This is the cheapest return flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 4/12. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
SAN — GTF
14 Dec — 21 Dec1
1 adult
1 adult, Economy, 0 bags

What to know about flights from San Diego

Discover essential information about flights departing from San Diego, including flight schedules, destinations, airlines operating at the San Diego airport, and any specific guidelines or requirements for travellers. Please note that the information is based on the most recent updates available. Data last updated 14 November 2025.

Good round-trip deal

$382 or less

Good one-way deal

$111 or less
Price to beat on a round-trip flight from San Diego.
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Price to beat on a one-way flight from San Diego.
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Find flights from San Diego

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Cheapest flights from San Diego
Explore the most affordable flight options available from San Diego. Find the lowest fares based on data from user searches, with prices last updated on 14 November 2025.

Sat 24/108:11SAN - BZN
Nonstop2h 55mAlaska Airlines
Sat 31/112:46BZN - SAN
Nonstop2h 44mAlaska Airlines
Deal found 13/11$240
Thu 5/216:01SAN - BZN
1 stop6h 55mAlaska Airlines
Tue 10/207:20BZN - SAN
1 stop9h 09mAlaska Airlines
Deal found 13/11$269
Sun 25/106:20SAN - BZN
1 stop7h 25mSouthwest
Sat 31/114:10BZN - SAN
1 stop7h 10mSouthwest
Deal found 13/11$270
Fri 16/108:05SAN - BZN
1 stop5h 40mSouthwest
Tue 20/107:40BZN - SAN
2 stops10h 05mSouthwest
Deal found 12/11$278
Tue 3/316:45SAN - BZN
1 stop6h 11mAlaska Airlines
Wed 4/317:14BZN - SAN
Nonstop2h 49mAlaska Airlines
Deal found 12/11$285
Thu 22/116:20SAN - BZN
1 stop4h 55mSouthwest
Mon 26/115:50BZN - SAN
1 stop7h 00mSouthwest
Deal found 12/11$296
Thu 18/1208:03SAN - BZN
Nonstop3h 00mAlaska Airlines
Sun 21/1212:43BZN - SAN
Nonstop2h 53mAlaska Airlines
Deal found 13/11$301
Wed 7/106:50SAN - BZN
2 stops7h 15mSouthwest
Thu 8/107:40BZN - SAN
1 stop6h 55mSouthwest
Deal found 12/11$304
Wed 1/408:15SAN - BZN
1 stop5h 30mSouthwest
Tue 7/411:20BZN - SAN
2 stops7h 55mSouthwest
Deal found 13/11$308
Sat 21/207:00SAN - BZN
1 stop5h 08mAlaska Airlines
Wed 25/211:33BZN - SAN
1 stop7h 57mAlaska Airlines
Deal found 12/11$314
Wed 3/1214:15SAN - BZN
1 stop8h 02mAlaska Airlines
Sun 7/1214:58BZN - SAN
1 stop8h 49mAlaska Airlines
Deal found 13/11$316
Tue 2/1206:15SAN - BZN
1 stop4h 44mUnited Airlines
Sun 7/1206:30BZN - SAN
1 stop7h 34mUnited Airlines
Deal found 13/11$317

Find flights from San Diego within your budget

 
Find flights departing from San Diego that match your specified budget. Filter results by price range, allowing you to narrow down options and find flights that fit within your financial constraints. Please note that the search results are based on data from user searches, with fares last updated on 14 November 2025. In the last 7 days, Cheapflights users made a total of 647,157 searches

Fly to

Great Falls

Route

Depart

Return

Price

San DiegoBozeman

SAN - BZN

SANBZN

San Diego

Wed 21/1

11:49-18:45

1 stop5h 56m

Bozeman Gallatin Field

Sun 25/1

07:20-13:19

1 stop6h 59m

$269

San DiegoBozeman

SAN - BZN

SANBZN

San Diego

Tue 3/3

06:15-14:08

1 stop6h 53m

Bozeman Gallatin Field

Wed 4/3

15:02-21:49

1 stop7h 47m

$269

San DiegoBozeman

SAN - BZN

SANBZN

San Diego

Wed 3/12

16:25-23:17

1 stop5h 52m

Bozeman Gallatin Field

Wed 10/12

14:58-19:33

1 stop5h 35m

$269

San DiegoBozeman

SAN - BZN

SANBZN

San Diego

Thu 5/2

14:20-23:56

1 stop8h 36m

Bozeman Gallatin Field

Tue 10/2

07:20-15:29

1 stop9h 09m

$269

San DiegoBozeman

SAN - BZN

SANBZN

San Diego

Tue 3/3

16:45-23:56

1 stop6h 11m

Bozeman Gallatin Field

Wed 4/3

15:02-21:49

1 stop7h 47m

$269

San DiegoBozeman

SAN - BZN

SANBZN

San Diego

Sat 31/1

16:01-23:56

1 stop6h 55m

Bozeman Gallatin Field

Wed 4/2

07:20-15:29

1 stop9h 09m

$269

San DiegoBozeman

SAN - BZN

SANBZN

San Diego

Sun 25/1

06:15-14:09

1 stop6h 54m

Bozeman Gallatin Field

Sat 31/1

12:46-14:30

Nonstop2h 44m

$301

San DiegoHelena

SAN - HLN

SANHLN

San Diego

Thu 15/1

06:15-18:11

1 stop10h 56m

Helena

Tue 20/1

18:48-15:29

1 stop21h 41m

$449

San DiegoHelena

SAN - HLN

SANHLN

San Diego

Wed 7/1

09:37-18:11

1 stop7h 34m

Helena

Mon 12/1

18:48-20:58

1 stop27h 10m

$449

San DiegoHelena

SAN - HLN

SANHLN

San Diego

Thu 8/1

06:15-18:11

1 stop10h 56m

Helena

Mon 12/1

18:48-17:20

1 stop23h 32m

$464

Flights are sorted by cheapest return flights first.

Deals found on 11/11

Showing 1-10 of 60 results
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Best time to book a flight from San Diego

Have a flexible travel schedule? Discover the best time to fly from San Diego with our price prediction graph.
Estimated return price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Travel insights for flights from San Diego

Get recent, data-driven insights about flights from San Diego including ideal travel times, pricing trends, and more.

What is the cheapest month to book a flight from San Diego?

Currently, March is the cheapest month in which you can book a flight from San Diego (average of $188). Flying from San Diego in November will prove the most costly (average of $737). There are multiple factors that influence the price of a flight so comparing airlines, departure airports and times can help keep costs down.

What are popular destinations to fly to from San Diego?

San Diego offers frequent flights to Chicago (481 flights per day), San Francisco (461 flights per day) and Los Angeles (268 flights per day).

Chicago
Chicago
From $111
San Francisco
San Francisco
From $58
Calgary
Calgary
From $580
New York
New York
From $357

What is the cheapest place to fly to from San Diego?

The cheapest city to fly to from San Diego is San Francisco, with prices starting at $58. Explore other affordable destinations below.

San Francisco
San Francisco
From $58
Chicago
Chicago
From $111
New York
New York
From $357
Las Vegas Harry Reid Intl
Las Vegas Harry Reid Intl
From $381

Browse thousands of different options on Cheapflights for your next trip

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Related info for your journey

Access useful and relevant information related to your journey from San Diego. This can include details such as airport transportation, visa requirements, travel insurance, luggage regulations, and any other information that can ensure a smooth and hassle-free travel experience. Please note that the information is based on general guidance and may need to be verified with official sources. Data last updated 14 November 2025.

  • What are the most popular destinations to fly to from San Diego?

    For the current month, the most popular flights from San Diego are Boston, Chicago, Atlanta. Boston, Chicago, Atlanta are the most popular locations from San Diego year round.

  • What is the cheapest flight from San Diego to anywhere?

    Users have flown out of San Diego for as low as $58 to San Francisco (prices may vary depending on the airline and departure time). On average, users have booked flights for $351 to fly from San Diego.

  • What is the cheapest premium economy flight from San Diego?

    Options for some of the cheapest premium economy flights from San Diego we have found on Cheapflights are as follows:
    Fly from San Diego to London Heathrow Airport starting at $2,804
    Fly from San Diego to Seattle starting at $2,915

  • What is the cheapest first class flight from San Diego?

    If you’re looking to fly first-class from San Diego to anywhere, put Philadelphia on your list as prices start at $2,454 for this destination.

  • What is the cheapest month to fly from San Diego?

    Currently, the cheapest month for flights from San Diego is March. The most expensive month for flights is November. The cheapest prices are shown above but prices will vary according to departure times, airlines, class and how early you book.

  • How does Cheapflights help users find flights from San Diego?

    Cheapflights goes through 900+ travel sites to look for the best flight deals for flights from San Diego. Too many options? Cheapflights also provides filters for things like airlines, price ranges, and number of stops to help you make a decision easily.

  • Why should you use Cheapflights to find cheap flight tickets from San Diego?

    Millions of users choose and trust Cheapflights to book the best flight deals from San Diego for free. We help you search and compare prices from hundreds of airlines for the right flight just for you.

  • Can Cheapflights find flights from San Diego with no change fees?

    Cheapflights does show flights with no change fees to all users. To see these options for flights from San Diego, users can toggle the no change fees filter when performing a flight search.

  • Can Cheapflights notify me if prices for flights from San Diego become cheaper?

    Yes! Start tracking prices for flights from San Diego today and get alerted whenever prices for these flights change. To access this feature, click the bell icon next to the flight deals above, which will prompt you for a valid email address to receive the alerts.

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Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from San Diego?

Cheapflights goes through 900+ travel sites to look for the best flight deals for flights from San Diego. Too many options? Cheapflights also provides filters for things like airlines, price ranges, and number of stops to help you make a decision easily.

Why should you use Cheapflights to find cheap flight tickets from San Diego?

Millions of users choose and trust Cheapflights to book the best flight deals from San Diego for free. We help you search and compare prices from hundreds of airlines for the right flight just for you.

Can Cheapflights find flights from San Diego with no change fees?

Cheapflights does show flights with no change fees to all users. To see these options for flights from San Diego, users can toggle the no change fees filter when performing a flight search.

Can Cheapflights notify me if prices for flights from San Diego become cheaper?

Yes! Start tracking prices for flights from San Diego today and get alerted whenever prices for these flights change. To access this feature, click the bell icon next to the flight deals above, which will prompt you for a valid email address to receive the alerts.

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